{"product_id":"diesel-parking-heater-wiring-harness-cable-adapter-12v-24v-round-triangle","title":"Diesel Parking Heater Wiring Harness 12V 24V | Round \u0026 Triangle","description":"\n\u003ch2\u003eDiesel Parking Heater Wiring Harness Cable Adapter — Round \u0026amp; Triangle Plug\u003c\/h2\u003e\n\u003cp\u003eKeep your diesel air parking heater running reliably with this complete wiring harness loom and power supply cable adapter. Designed to work with popular parking heater brands including \u003cstrong\u003eWebasto\u003c\/strong\u003e and \u003cstrong\u003eEberspacher\u003c\/strong\u003e units, this harness connects the heater motherboard, LCD control switch, fuel pump, and external power supply into one organized, plug-and-play loom — making installation or replacement straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits diesel air parking heaters using either a \u003cstrong\u003eRound\u003c\/strong\u003e or \u003cstrong\u003eTriangle\u003c\/strong\u003e control panel plug — check your control panel plug type before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Voltage Support:\u003c\/strong\u003e Works with both \u003cstrong\u003e12V and 24V\u003c\/strong\u003e systems, suitable for cars, trucks, RVs, vans, and boats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous Cable Length:\u003c\/strong\u003e Total cable length of approximately \u003cstrong\u003e2 meters\u003c\/strong\u003e, giving you flexible routing options during installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Connection Set:\u003c\/strong\u003e Connects the heater motherboard, LCD switch panel, oil\/fuel pump, and external power source in one tidy harness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e Available in \u003cstrong\u003eBlack or White\u003c\/strong\u003e to suit your installation preference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand the demands of automotive and vehicle heating environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack or White\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTotal Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eApprox. 2 Meters\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eRound or Triangle (please verify before ordering)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eWebasto, Eberspacher \u0026amp; compatible diesel parking heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e Please verify the plug shape on your heater's control panel before ordering — Round and Triangle plugs are \u003cem\u003enot\u003c\/em\u003e interchangeable. Pay close attention to the color and style of your existing plug to ensure a correct fit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Wiring Harness \/ Loom Cable Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eBrowse more automotive and vehicle accessories in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/best-seat-in-the-house-retro-quote-canvas-wall-art-print\"\u003e\"Best Seat In The House\" Retro Quote Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general vehicle safety and electrical standards guidance, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How do I know whether I need the Round or Triangle plug wiring harness?\u003c\/h4\u003e\n\u003cp\u003eA: Before ordering, physically inspect the control panel plug on your existing diesel parking heater. The plug housing shape — either round or triangular — determines which harness version you need. Using the wrong plug type will result in an incompatible fit, so take care to match this carefully.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this wiring harness compatible with both 12V and 24V parking heaters?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This cable adapter supports both 12V and 24V diesel air parking heater systems, making it suitable for a wide range of vehicles including cars, SUVs, trucks, vans, RVs, and boats.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What components does this wiring harness connect?\u003c\/h4\u003e\n\u003cp\u003eA: The harness is designed to connect the heater's main motherboard, the LCD control switch panel, the fuel\/oil pump, and the external power supply — providing a complete, organized wiring solution for your diesel parking heater setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the total cable length of this wiring harness?\u003c\/h4\u003e\n\u003cp\u003eA: The total cable length is approximately 2 meters (about 6.5 feet), which provides enough reach for flexible installation and routing in most vehicle engine compartments and cabin areas.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know whether I need the Round or Triangle plug wiring harness?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Before ordering, physically inspect the control panel plug on your existing diesel parking heater. The plug housing shape — either round or triangular — determines which harness version you need. Using the wrong plug type will result in an incompatible fit, so take care to match this carefully.\"}}, {\"@type\": \"Question\", \"name\": \"Is this wiring harness compatible with both 12V and 24V parking heaters?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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